漏斗图echarts funnel配置项内容和展示

如图效果，文字展示在漏斗内部。期望高亮时，可以在外面高亮显示某一项的名称，与图形折线连接

      option = {
    title: {
        text: '漏斗图',
        subtext: '纯属虚构'
    },
    tooltip: {
        trigger: 'item',
        formatter: "{a} <br/>{b} : {c}%"
    },
    toolbox: {
        feature: {
            dataView: {readOnly: false},
            restore: {},
            saveAsImage: {}
        }
    },
    legend: {
        data: ['展现','点击','访问','咨询','订单']
    },

    series: [
        {
            name: '{b}',
            type:'funnel',
            left: '10%',
            top: 60,
            //x2: 80,
            bottom: 60,
            width: '80%',
            // height: {totalHeight} - y - y2,
            min: 0,
            max: 100,
            minSize: '0%',
            maxSize: '100%',
            sort: 'descending',
            gap: 2,
            label: {
                show: true,
                position: 'inside'
            },
            labelLine: {
                length: 10,
                lineStyle: {
                    width: 1,
                    type: 'solid'
                }
            },
            itemStyle: {
                borderColor: '#fff',
                borderWidth: 1
            },
            emphasis: {
                label: {
                    show: '{b}' === '点击',
                    formatter: "{b}",
                    color: '#333',
                    fontSize: 20
                    
                }
            },
            data: [
                {value: 60, name: '访问'},
                {value: 40, name: '咨询'},
                {value: 20, name: '订单'},
                {value: 80, name: '点击'},
                {value: 100, name: '展现'}
            ]
        }
    ]
};